Nearly all airplanes (and all US military planes) today have self-sealing fuel tanks, so putting a bullet hole in one tank would not cause a catastrophic loss of fuel.
The buttons on the Chinese submersible are not in Chinese, but in English.
The character of Major Robert Carson mistakenly wears the higher rank of Lieutenant Colonel on his uniform.
TWA flight 800 had "Trans World" on the side of the 747, not "Trans Global" as seen in the film.
While referred to as "Major," William Shatner is wearing a Lt. Colonel's silver oak leaves.